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Physics-

General

Easy

Question

A wooden cylinder of diameter 4r, height H and density $rho divided by 3$ is kept on a hole of diameter 2r of a tank, filled with liquid of density $rho$ as shown in the figure. The block in the above question is maintained at the position by external means and the level of liquid is lowered. The height $h subscript 2 end subscript$ when this external force reduces to zero is :–

$\frac{4 h}{9}$
$\frac{5 h}{9}$
remains same
$\frac{2 h}{3}$

The correct answer is: $fraction numerator 4 h over denominator 9 end fraction$

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